




Roland DG · Main Boards & Control Boards · Part No. 6700365120
Original Roland MDX-540 Milling Machine Main Board Assembly – 6700365120
Main board assembly 6700365120 for the Roland MDX-540 benchtop milling machine. It runs the firmware and controls the axes, spindle and PC communication. Plugs into the original connectors.
- 100% genuine Roland DG part
- Brand new
- Worldwide shipping by DHL / FedEx
Price · USD
Per piece
$1,935
- 6700365120part number
- 1compatible model
- Newcondition
- Roland DGbrand
Roland 6700365120 Overview
The ASSY,MAIN BOARD MDX-540, part number 6700365120, is the main controller of the Roland MDX-540 milling machine. The MDX-540 is a popular choice for precision prototypes, mold parts and engineering plastics, and this board is responsible for nearly every function of the machine. This is a genuine, original Roland part – not a copy or compatible replacement.
It runs the firmware, processes milling data from the PC, and directs the axis drives, the spindle and the operation panel. When the main board fails you might see the machine refusing to start, the panel showing errors or freezing, the computer losing contact with the machine, or axes stopping mid-job. If the power supply and wiring are in good condition, replacing the main board is normally the fix.
Key features
- Genuine original Roland part
- Main control board made for the MDX-540
- Manages firmware, axis drives, spindle and panel
- Installs on the original mounting points and connectors
- Inspected and packed in anti-static protection before dispatch
Compatible models: Roland MDX-540.
Please check the part number on your existing part, or contact us with your machine model and serial number if you are not sure about compatibility.
Specifications
| Item | Specification |
|---|---|
| Brand | Roland DG |
| Authenticity | Genuine original Roland part |
| Part Number | 6700365120 |
| Part Name | ASSY,MAIN BOARD MDX-540 |
| Compatible Models | MDX-540 |
| Condition | New |
Not sure this is the right part for your machine?
Send Ewan your machine model and serial number, or a photo of the old part and its label, on WhatsApp – he’ll confirm compatibility and reply with a quote, usually within a few hours.





